Staple punch



FIG. 1 is a front-top perspective view of a staple punch showing my new design;

FIG. 2 is a front-bottom perspective view thereof;

FIG. 3 is a rear-top perspective view thereof;

FIG. 4 is a rear-bottom perspective view thereof;

FIG. 5 is an enlarged rear elevational view thereof;

FIG. 6 is an enlarged front elevational view thereof; and,

FIG. 7 is a top plan view thereof where the bottom, left, and right views are identical thereto.

The broken lines shown in the drawings illustrate portions of the staple punch in which the design is embodied that form no part of claimed design. 

CLAIM The ornamental design for a staple punch, as shown and described. 